diff --git a/src/plugins/projectexplorer/projectexplorer.cpp b/src/plugins/projectexplorer/projectexplorer.cpp
index 6452a0ac75a..867e53af13e 100644
--- a/src/plugins/projectexplorer/projectexplorer.cpp
+++ b/src/plugins/projectexplorer/projectexplorer.cpp
@@ -3323,8 +3323,10 @@ void ProjectExplorerPluginPrivate::updateContextMenuActions()
             m_diffFileAction->setEnabled(DiffService::instance()
                         && currentNodeIsTextFile && TextEditor::TextDocument::currentTextDocument());
 
-            m_duplicateFileAction->setVisible(supports(DuplicateFile));
-            m_duplicateFileAction->setEnabled(supports(DuplicateFile));
+            const bool canDuplicate = supports(AddNewFile)
+                    && currentNode->asFileNode()->fileType() != FileType::Project;
+            m_duplicateFileAction->setVisible(canDuplicate);
+            m_duplicateFileAction->setEnabled(canDuplicate);
 
             EditorManager::populateOpenWithMenu(m_openWithMenu,
                                                 currentNode->filePath().toString());
diff --git a/src/plugins/projectexplorer/projectnodes.h b/src/plugins/projectexplorer/projectnodes.h
index 2795f1a8fbd..e6afdda0384 100644
--- a/src/plugins/projectexplorer/projectnodes.h
+++ b/src/plugins/projectexplorer/projectnodes.h
@@ -78,7 +78,6 @@ enum ProjectAction {
     // DeleteFile is a define on windows...
     EraseFile,
     Rename,
-    DuplicateFile,
     // hides actions that use the path(): Open containing folder, open terminal here and Find in Directory
     HidePathActions,
     HideFileActions,
diff --git a/src/plugins/qmakeprojectmanager/qmakenodes.cpp b/src/plugins/qmakeprojectmanager/qmakenodes.cpp
index 1716077db00..984be6e96c7 100644
--- a/src/plugins/qmakeprojectmanager/qmakenodes.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakenodes.cpp
@@ -84,7 +84,7 @@ QmakeProFileNode *QmakePriFileNode::proFileNode() const
 
 bool QmakePriFileNode::supportsAction(ProjectAction action, const Node *node) const
 {
-    if (action == Rename || action == DuplicateFile) {
+    if (action == Rename) {
         const FileNode *fileNode = node->asFileNode();
         return (fileNode && fileNode->fileType() != FileType::Project)
                 || dynamic_cast<const ResourceEditor::ResourceTopLevelNode *>(node);
diff --git a/src/plugins/resourceeditor/resourcenode.cpp b/src/plugins/resourceeditor/resourcenode.cpp
index baf214a2bef..0395c607b43 100644
--- a/src/plugins/resourceeditor/resourcenode.cpp
+++ b/src/plugins/resourceeditor/resourcenode.cpp
@@ -197,7 +197,6 @@ bool SimpleResourceFolderNode::supportsAction(ProjectAction action, const Node *
         || action == AddExistingFile
         || action == AddExistingDirectory
         || action == RemoveFile
-        || action == DuplicateFile
         || action == Rename // Note: only works for the filename, works akwardly for relative file paths
         || action == InheritedFromParent; // Do not add to list of projects when adding new file
 }
@@ -487,7 +486,6 @@ bool ResourceFolderNode::supportsAction(ProjectAction action, const Node *node)
         || action == AddExistingFile
         || action == AddExistingDirectory
         || action == RemoveFile
-        || action == DuplicateFile
         || action == Rename // Note: only works for the filename, works akwardly for relative file paths
         || action == HidePathActions; // hides open terminal etc.
 }